
HPE LTO-9 Ultrium 45TB RW Data Cartridge – Q2079A
Latest-generation LTO-9 media for enterprise backup and archival — 18 TB native / 45 TB compressed (2.5:1).
Quick Glance
Key Features
Design
Ultrium Form Factor — HPE StoreEver LTO-9 media is engineered for high-duty library use and long-term retention, built on Barium Ferrite (BaFe) magnetic technology for archival stability.
Performance
Capacity & Throughput — Capacity: 18 TB native, up to 45 TB compressed (2.5:1). · Drive transfer rates (typical for LTO-9): up to ~400 MB/s native and up to ~1,000 MB/s with 2.5:1 compression (model-dependent).
Compatibility & Data Protection
Drive & Library Support — Part number Q2079A is HPE’s rewritable (RW) LTO-9 cartridge for use in HPE and compatible LTO-9 drives and libraries that support this generation. Verify with your library/drive compatibility matrix. WORM & Encryption — LTO-9 supports WORM media (sold separately) and AES-256 drive-based hardware encryption where implemented by the drive/library, helping with compliance and immutability strategies.
Detailed Specifications
Sources: HPE Q2079A product page (capacity/overview); HPE data sheet (throughput context); HPE Store catalog (encryption/WORM support).
Best For / Customer Benefits
Customer Benefits
- 18 TB / 45 TB per cartridge reduces media counts and backup windows.
- BaFe technology designed for long-term archival reliability.
- Fits HPE StoreEver ecosystems and standards-based LTO-9 environments.
Frequently Asked Questions
Each cartridge provides 18 TB native and up to 45 TB assuming 2.5:1 compression.
Yes. LTO media follows the Ultrium open standard; HPE LTO-9 cartridges are generally compatible with other vendors’ LTO-9 drives and libraries (confirm with your hardware matrix).
Yes — WORM media is available separately, and AES-256 drive-based encryption is supported where implemented by the drive/library.
HPE published an advisory about a limited exchange program for certain LTO-9 batches. If in doubt, we can check your cartridge lot code.
Still not sure? Reach out to us.
We’ll confirm library compatibility and delivery options.

